McGregor is a serial winner and has been victorious in his five crunch fights in the UFC to date.

'The Notorious King Krunch’ will have a limited shelf life with Rob saying after the world title fight, it won't be sold anymore.

Their website describes the product: "The finest of Irish fighting cereal.

"Some say the only Irish fighting cereal worth owning.

"The Notorious King Krunch cereal boxes are a limited edition collectors item and will only be produced one time.

"Each box is handmade and personally packaged with the finest of generic cheap cereal. "We are happy to deliver worldwide.

"Each Box costs $20.00 US + delivery. Order now for our first shipment on June 1st.

"After the big fight they will be no more."

The cereal claims to have 38.5% of your daily trash talk.

The cereal box has slogans such as “If one of goes to breakfast, we all go to breakfast” and “the cereal isn’t here to take part, it’s here to take over” poking fun at two of McGregor’s most famous quotes.